On Thu, 1 Jul 2004, wayne wrote:
Ok, so how do the current proposals stack up?
**** SPF-classic ****
5) gratuitous incompatibilities: None.
Incorrect. It breaks alias-forwarding.
**** CSV ****
5) gratuitous incompatibilities: None.
Correct.
**** Sender-ID ****
5) gratuitous incompatibilities: None.
Incorrect. See http://www.imc.org/ietf-mxcomp/mail-archive/msg02419.html
**** Unified-SPF ****
5) gratuitous incompatibilities: None.
Incorrect for the reasons stated for SPF-classic and Sender-ID above.
**** DMP ****
1) solid I-D: Yes
There appears to be a security problem caused by the way a failed MAIL
FROM check may fall back to an EHLO check, allowing unintended forgery.
Alternatively this is a source of troublesome interoperability problems
if some servers fall back to EHLO and some don't.
5) gratuitous incompatibilities: None.
Wildcard MX records.
Tony.
--
f.a.n.finch <dot(_at_)dotat(_dot_)at> http://dotat.at/
FAIR ISLE: WESTERLY 4 OR 5 BECOMING VARIABLE 3. OCCASIONAL RAIN. MODERATE WITH
FOG PATCHES.